Patent · US Expired

3-(heterocyclyl)-benzoylpyrazole-derivatives

US6506708B1 · kind B1 · utility

3Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 2001
Grant dateJan 14, 2003
Priority date
Expiry dateMay 1, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D231/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

3-(Heterocyclyl)benzoylpyrazole derivatives of the formula I where:X is O, NH or N-alkyl;R1 is nitro, halogen, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl;R2,R3,R4,R5 are hydrogen, alkyl or haloalkyl;R6 is halogen, nitro, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl;R7 is hydroxyl, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarbonyloxy, (alkylthio)carbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, where the phenyl radical may be substituted;R8,R9 are alkyl;R10 is hydrogen or alkyl;R11 is hydrogen or alkyl;and their agriculturally useful salts,compounds for their preparation, and the use of these compounds or of compositions comprising them for controlling undesirable plants are described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.